M365 Expert for Defender for Exchange

About the role

You will be responsible for protecting the organisation’s email environment by operating and continuously improving Microsoft Defender for Exchange. You will work closely with the Cyber Defense, SOC and IT Security teams to ensure a robust, proactive email security posture.

Key responsibilities

• Operate and enhance Microsoft Defender for Exchange, including threat‑management policies, anti‑phishing, anti‑malware, anti‑spam, Safe Attachments and Safe Links.
• Analyze, assess and respond to email‑based security incidents such as phishing, malware and business‑email compromise.
• Collaborate with Exchange Online, M365 Security, Defender Suite, Entra ID and Workplace Services teams.
• Drive continuous improvements: policy hardening, Zero‑Hour protection, attack‑surface reduction and user protection measures.
• Implement, maintain and document security configurations, reporting and compliance requirements.
• Participate in security audits, phishing simulations, penetration tests and DORA‑related controls.
• Contribute to knowledge development, standardisation and advisory activities in email and collaboration security.

Required profile

• Proven experience with Microsoft 365 security services, especially Defender for Exchange.
• Strong understanding of email‑based threats and incident response processes.
• Ability to work closely with cross‑functional security and IT teams.
• Detail‑oriented with a focus on continuous improvement and compliance.

Required skills

• Microsoft Defender for Exchange
• Microsoft 365 Security suite
• Exchange Online
• Entra ID (Azure AD)
• Safe Attachments & Safe Links
• Threat‑management policies, anti‑phishing, anti‑malware, anti‑spam
• Email security incident response
• Security audits and compliance reporting
• Phishing simulations and penetration‑testing basics
• DORA control implementation

What we offer

• Base salary starting at €2,000 gross per month, paid 14 times a year (13th & 14th month).
• Flexible working hours and hybrid work possibilities.
• Welcome package and €9.30 lunch contribution.
• €200 cafeteria credit for sports, culture, health or other benefits.
• In‑house German and English language courses with certification paid by the employer.
• Professional training support and continuous learning opportunities.
• Child bonus of €48.40 per child, third‑pillar pension contributions, accident insurance.
• Regular employee events (Christmas party, summer festival, sports day, family‑friendly activities).